TROUBLESHOOTING
(BEFORE CALLING FOR SERVICE) 
If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center.
Trouble | Possible Cause |
| Remedy |
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Air conditioner does | 1. Power failure. | 1. | Restore power. |
not run at all. | 2. Leakage circuit | 2. | Contact service |
| |||
| breaker tripped. |
| center. |
| 3. Line voltage is too | 3. | Consult your |
| low. |
| electrician or |
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| dealer. |
| 4. Batteries in remote | 4. | Replace batteries. |
| controller have run |
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| down. |
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| |
OPERATION lamp | Trouble in system. | Contact service | |
blinks and air |
| center. | |
conditioner does not |
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|
operate. |
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| |
Compressor runs but | Obstruction in front of | Remove obstruction. | |
soon stops. | condenser coil. |
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| (Outdoor Unit) |
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Poor cooling (or | 1. Dirty or clogged air | 1. | Clean air filter to |
heating) performance. | filter. |
| improve airflow. |
| 2. Heat source or | 2. | Eliminate heat |
| many people in |
| source if possible. |
| room. |
|
|
| 3. Doors and/or | 3. | Shut them to keep |
| windows are open. |
| the heat (or cold) |
|
|
| out. |
| 4. Obstacle near air | 4. | Remove it to ensure |
| intake or air |
| good airflow. |
| discharge port. |
|
|
| 5. Thermostat is set | 5. | Set the temperature |
| too high for cooling |
| lower (or higher). |
| (or too low for |
|
|
| heating). |
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|
| 6. (Outdoor | 6. | (Consult your |
| temperature is too |
| dealer or try to use |
| low for heating.) |
| another heat |
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| appliance.) |
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| |
Clicking sound is | In heating or cooling | This is normal, and | |
heard from the air | operation, any plastic | the sound will soon | |
conditioner. | parts may expand or | disappear. | |
| shrink due to a |
|
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| sudden temperature |
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| change. In this event, |
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| a clicking sound may |
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| occur. |
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OPERATION lamp | The use of cellular | 1. | Turn off the power |
lights but outdoor unit | phones near the air |
| then restart the air |
will not run. | conditioner may cause |
| conditioner after a |
| disturbance to its |
| while. |
| normal operation. | 2. | Consult your dealer. |
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| ||
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| |
TIMER lamp blinks | FLOAT SWITCH is | Contact service | |
(3 sec. interval) and | actived. | center. | |
air conditioner does |
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|
not operate. |
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OPERATING RANGE 
The air conditioner is operable within the temperature ranges as listed below:
| Temperature | Indoor air | Outdoor air | ||
|
| temperature | temperature | ||
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COOLING | Max. | 95 | °F DB / | 115 °F DB | |
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| 71 | °F WB |
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| Min. | 67 | °F DB / | 14 | °F DB |
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| 57 | °F WB |
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HEATING | Max. | 80 | °F DB / | 75 | °F DB / |
|
| 67 | °F WB | 65 | °F WB |
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| Min. | – DB / – WB | – DB / 0 °F WB | ||
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WIRED REMOTE CONTROLLER 
Aseparately sold wired remote controller
16
